| Affiliation: | (1) Department of Pediatrics, University of Michigan Medical Center, 1150 West Medical Center Drive, 3520 MSRBI, Box 0650, Ann Arbor, Michigan 48109-0650 USA, US;(2) Department of Human Genetics, University of Michigan, Medical Center, Ann Arbor, Michigan 48109, USA., US;(3) Howard Hughes Medical Institute, Ann Arbor, Michigan, USA, US;(4) Unit de Biologie du Developement, U.R.A.C.N.R.S. 1960, Institut Pasteur, Paris, France, FR;(5) Department of Medicine, University of Toronto, Toronto, Canada, CA;(6) Walter and Eliza Hall Institute of Medical Research, Melbourne 3050, Australia, AU;(7) Chester Beatty Laboratories, Fullham Road, London, UK, GB;(8) Nuffield Department of Medicine, John Radcliffe Hospital, Oxford University, Oxford, UK, GB |
